diff --git a/jitsi_admin_application_dockerfile.txt b/jitsi_admin_application_dockerfile.txt
index 16d1647..47f0270 100644
--- a/jitsi_admin_application_dockerfile.txt
+++ b/jitsi_admin_application_dockerfile.txt
@@ -19,8 +19,6 @@ USER root
 RUN apk --no-cache add \
     unzip \
     sqlite \
-    cronie \
-    libcap \
     php83-sqlite3 \
     php83-pdo_sqlite \
     php83-ldap \
@@ -33,18 +31,17 @@ RUN apk --no-cache add \
 
 RUN sed -i 's/^date.timezone=.*$/date.timezone="Europe\/Berlin"/' /etc/php83/conf.d/custom.ini
 
-#RUN mkdir /etc/service/crond \
-#    && echo "#!/bin/sh -e" > /etc/service/crond/run \
-#    && echo "exec 2>&1 /usr/sbin/crond -f" >> /etc/service/crond/run \
-#    && chown -R nobody:nobody /etc/service/crond \
-#    && chmod -R +x /etc/service/crond \
+RUN wget https://github.com/aptible/supercronic/releases/download/v0.2.33/supercronic-linux-amd64 -O /supercronic \
+    && chmod +x /supercronic
 
-RUN chown nobody:nobody /usr/sbin/crond \
-    && setcap cap_setgid=ep /usr/sbin/crond \
-    && setcap cap_setuid=ep /usr/sbin/crond
+RUN wget https://github.com/aptible/supercronic/releases/download/v0.2.33/supercronic-linux-amd64 -O /supercronic \
+    && chmod +x /supercronic
 
-RUN wget https://git.h2-invent.com/Public-System-Design/Public-Helperscripts/raw/branch/main/distributed_cron.sh -O /distributed_cron.sh \
-    && chmod +x /distributed_cron.sh
+RUN mkdir /etc/service/cron \
+    && echo "#!/bin/sh" > /etc/service/cron/run \
+    && echo "exec 2>&1 /supercronic /var/crontab" >> /etc/service/cron/run \
+    && chown -R nobody:nobody /etc/service/cron \
+    && chmod -R +x /etc/service/cron
 
 RUN mkdir /etc/service/symfony_messenger \
     && echo "#!/bin/sh -e" > /etc/service/symfony_messenger/run \
@@ -52,13 +49,11 @@ RUN mkdir /etc/service/symfony_messenger \
     && chown -R nobody:nobody /etc/service/symfony_messenger \
     && chmod -R +x /etc/service/symfony_messenger 
 
-RUN echo "# Docker Cron Jobs" > /etc/crontabs/nobody \
-    && echo "* * * * * curl http://localhost:8080/health/check" >> /etc/crontabs/nobody \
-    && echo "* * * * * /bin/sh /distributed_cron.sh '${WEBDIR}/data/cron_lock' 'php ${WEBDIR}/bin/console cron:run' >/dev/null 2>&1" >> /etc/crontabs/nobody \
-    && echo "" >> /etc/crontabs/nobody \
-    && rm /etc/crontabs/root \
-    && chown nobody:nobody /etc/crontabs/nobody \
-    && chmod +x /etc/crontabs/nobody
+RUN echo "# Docker Cron Jobs" > /var/crontab \
+    && echo "SHELL=/bin/sh" >> /var/crontab \
+    && echo "* * * * * /bin/sh /distributed_cron.sh '${WEBDIR}/data/cron_lock' 'php ${WEBDIR}/bin/console cron:run'" >> /var/crontab \
+    && echo "" >> /var/crontab \
+    && chown nobody:nobody /var/crontab \
 
 RUN echo "#!/bin/sh" > /docker-entrypoint-init.d/02-theme.sh \
     && echo "if [ -d "${WEBDIR}/data/theme" ]" >> /docker-entrypoint-init.d/02-theme.sh \
@@ -74,11 +69,6 @@ RUN echo "#!/bin/sh" > /docker-entrypoint-init.d/03-symfony.sh \
     && echo "php ${WEBDIR}/bin/console cache:clear" >> /docker-entrypoint-init.d/03-symfony.sh \
     && chmod +x /docker-entrypoint-init.d/03-symfony.sh
 
-RUN echo "#!/bin/sh" > /docker-entrypoint-init.d/04-crond.sh \
-    && echo "# Start crond as daemon via entry script" >> /docker-entrypoint-init.d/04-crond.sh \
-    && echo "crond -b -l 8" >> /docker-entrypoint-init.d/04-crond.sh \
-    && chmod +x /docker-entrypoint-init.d/04-crond.sh
-
 RUN wget https://github.com/H2-invent/jitsi-admin/releases/download/${VERSION}/application.zip -O artifact.zip \
     && unzip artifact.zip -d ${WEBDIR} \
     && chown -R nobody public \